突然奶牛踢起了后腿。
一只山羊后腿趴在一棵树上站起来，试图去够树叶。
A goat was standing up against a tree on its hind legs, trying to get at the leaves.
很幸运，化石包含了一大部分后腿。
The fossil luckily includes a good portion of the hind legs.
不要在学业上扯她后腿。
一只华丽的鬈毛狗出现了，像人一样用后腿走路。
A magnificent Poodle appeared, walking on his hind legs just like a man.
该男子伤势严重，在昆士兰北部遭鲨鱼袭击后腿部严重受伤。
The man was in a critical condition with severe injuries to his legs after being attacked by a shark in far north Queensland.
龙王鲸无疑是一种完全海生的鲸鱼，它的后腿可能没有功能，或退化了。
Basilosaurus was undoubtedly a fully marine whale with possibly nonfunctional, or vestigial, hind legs.
一只长斑点的大胳膊猛地伸出来，抓住托德的一条前腿，另一只手抓住他的一条后腿。
One big mottled arm shot out and caught Toad by a fore-leg, while the other-gripped him fast by a hind-leg.
他在家附近的公园中收集易拉罐、零食袋以及塑料瓶，然后跳起来用后腿把它们扔到垃圾桶中。
He collects cans, crisp packets, and plastic bottles from parks near his home before jumping up onto his hind legs to place them into bins.
发现的残骸有许多都不完整，但还包含一条完整的后腿，足部有三个小脚趾，这是原始动物骨骼中的首例。
Many incomplete skeletons were found but they included, for the first time in an archaeocyte, a complete hind leg that features a foot with three tiny toes.
它们都有一条长长的尾巴，帮助松鼠在从一棵树跳到另一棵树时保持平衡，还有同样的大眼睛、小耳朵和有力的后腿。
They both have a long tail, which helps the squirrel to balance when jumping from tree to tree, and the same large eyes, small ears and powerful back legs.
一头用两条后腿直立行走的新泽西州的黑熊已经成为社交媒体的宠儿，距离上次被目击的几个月后，它再次出现并被拍了视频。
A New Jersey black bear that walks upright on its two back legs and has become a social media darling has re-emerged and has been captured on video months after its last sighting.
这匹马后腿直立，将骑手摔下。
那匹马后腿前立，站了起来。
马猛然跃起，用后腿直立。
它们用后腿站立时，高约2.5米。
定向空中下滑的关键是用后腿和尾部。
The key to directed aerial descent is in the back legs and rearend.
不过我没想到，身体会给我拉后腿。
能够弥补你的短处——它们可能拖你的后腿。
You'll improve your weaknesses - areas which may be holding you back.
彼得能做的就是抓住她的两条后腿。
All Peter could do was to throw himself down and seize one of her hind legs.
唯一扯后腿的，他说，就是社会适应它的速度。
The only thing that can hold itback, he believes, is the rate at which society can adapt.
小狗也懂事的把后腿蹬直，帮助营救人员拉它出来。
The dog helped the officers by stiffening his hind legs as they pulled him out.
但和博物馆和图书馆相比，大学仍然拖后腿。
But compared to museums and libraries, universities will continue to drag their feet.
就连一只狐狸也会舔后腿，可是有些仙灵是最肮脏的野兽。
Even a fox will lick its hindquarters, but some of the faeries were the dirtiest beasts.
那匹马的两条后腿跌伤了，爬不起来，老头子陷在车轮中间。
The horse had two broken legs and could not rise. The old man was caught in the wheels.
海狸停止进食，用后腿站立，环顾四周，然后也跳到了水里。
The beavers stopped eating, stood on their hind legs and looked around, then got into the water, too.
前腿膝关节弯曲，后腿保持绷直状态，右脚后跟贴紧地面并向下压。
Bend the front knee, keeping the back leg straight, press the right heel down on the floor.
还有，2012年奥运会也迫在眉睫，但是安全策划已经拖了后腿。
And on the horizon is the 2012 Olympics, for which security planning has fallen behind schedule.
有时他还买圈牛后腿肉，或是炖汤的骨头给饭桌增添光彩。
Occasionally he graced his table with a piece of round-steak, or with a soup-bone.
有时他还买圈牛后腿肉，或是炖汤的骨头给饭桌增添光彩。
Occasionally he graced his table with a piece of round-steak, or with a soup-bone.
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